1. Whole facility structure is made of baking varnish aluminum profile,and inner part is applied the high-accuracy,low-resistance and zero clearance of dual-ball screwand oriented pole, through which highly improve the loading efficience and structure rigidity.

Three Star Service :*First Star---Pre-service24 Hours online service for your consultHelp choose right model,and a series of service,person,advise.*Second Star---Middle Service--Give you best offer--Provide discount for many sets order--Do customer's request--Choose payment term you convienent.--Promptly production and delivery,inform you in time.--Can provide invoice value as you like to decrease your tax.. *Third Star---After serivce--1 year warranty service and all life maintenance.--Technical Egineer are avalible for oversea trainning.--Free change for some parts--Provide newest software vision when update--Remote control technical consult--Free installation DVD--Maintenance plan